Answer:
I have thirteen hearts but no body or soul.
I make things short but I am pretty long myself
I am easy to waste and unstoppable
Never ahead, ever behind, yet flying swiftly past, for a child, I last forever, for adults, I'm gone too fast.
You kick me, you punch me, and you beat me up all class. When you leave, you don't even say thanks for allowing you to beat me up. What am I?
A word of five letters, Upside down is the same, A shark does this, But itβs not to blame. What is the word?